Brain

Injury

Lawyer

CLOSED BLUNT INJURY

Occurs when the head accelerates and

then rapidly decelerates or collides with

another object (e.g. wall, or dashboard

of a car) and brain tissue is damage, but

there is no opening to the skull or dura.

OPEN BRAIN INJURY

Occurs when an object penetrates

the skull, enters the brain and

damages the soft brain tissue in its

path (penetrating injury).

CONCUSSION

Temporary loss of neurologic

function with no apparent

structural damage.

Involves period of

unconsciousness.

CONTUSSION

Cerebral contusion, latin contusio cerebri, a form of traumatic brain injury, is a bruise of the brain tissue. Like bruises in other tissues, cerebral contusion can be caused by multiple microhemorrhages, small blood vessel leaks into brain tissue. Head CT scans of unconscious patients reveal that 20% have hemorrhagic contusion.

FEATURES

Contusions, which are frequently associated with [[edema]], are especially likely to cause increases in [[intracranial pressure]] (ICP) and concomitant crushing of delicate brain tissue. Contusions are also more likely to result in hemorrhage than is [[diffuse axonal injury]] because they occur more often in the cortex, an area with more [[blood vessel]]s.

Contusions typically form in a wedge-shape with the widest part in the outermost part of the brain.

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